Spring queryforobject method: the result of the query is returned as an object type
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Java
queryForObject(String sql,Class requiredType)
Example
public static void main(String[] args){ ApplicationContext context = new ClassPathXmlApplicationContext("cfg/XMLConfig.xml"); //加载配置文件 Dao dao = (Dao)context.getBean("dao"); //创建Dao JdbcTemplate jtm = dao.getJdbcTemplate(); String sql = "select name from tb_user limit 1"; //创建一条sql语句 String name = (String)jtm.queryForObject(sql,String.class); System.out.println(name); }
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